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sensors Mode-S transponder

780A5A

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-HWM · AIRBUS A-330-300

Hex
780A5A
Octal
36005132
Decimal
7,866,970
Country
CN
Tail
B-HWM
Type
A333
No current signal · last broadcast Jul 25, 10:00 UTC
Flights observed
463
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 10:00 UTC

Last known position

Most recent position reported by Mode-S 780A5A.

Country allocation

The ICAO 24-bit address 780A5A falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
CPA531 - 28 2026-06-28
CPA530 - 16 2026-06-28
CPA407 Cathay Pacific 16 2026-07-21
CPA381 - 14 2026-07-03
CPA380 Cathay Pacific 13 2026-07-24
CPA408 - 11 2026-07-20
CPA617 - 9 2026-07-12
CPA995 - 8 2026-07-15
CPA986 Cathay Pacific 8 2026-07-25
CPA914 - 8 2026-07-15
CPA777 - 8 2026-07-18
CPA776 - 8 2026-07-18
CPA700 - 8 2026-07-13
CPA597 - 8 2026-07-16
CPA989 - 7 2026-07-17
CPA988 Cathay Pacific 7 2026-07-17
CPA987 Cathay Pacific 7 2026-07-25
CPA750 - 7 2026-06-19
CPA705 - 7 2026-06-19
CPA714 Cathay Pacific 6 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CPA987 TFU → HKG Jul 25, 09:25 UTCJul 25, 09:45 UTC20m
2026-07-25 CPA986 HKG → TFU Jul 25, 02:50 UTCJul 25, 03:10 UTC20m
2026-07-24 CPA380 HKG → PVG Jul 24, 07:20 UTCJul 24, 13:20 UTC6h 0m
2026-07-24 CPA658 SIN → HKG Jul 24, 05:20 UTCJul 24, 05:35 UTC15m
2026-07-24 CPA658 SIN → HKG Jul 24, 02:10 UTCJul 24, 02:40 UTC30m
2026-07-23 CPA711 HKG → SIN Jul 23, 12:05 UTCJul 23, 12:35 UTC30m
2026-07-23 CPA711 HKG → SIN Jul 23, 09:20 UTCJul 23, 09:35 UTC15m
2026-07-23 CPA774 BKK → HKG Jul 23, 07:35 UTCJul 23, 07:45 UTC10m
2026-07-23 CPA774 BKK → HKG Jul 23, 05:25 UTCJul 23, 06:45 UTC1h 20m
2026-07-23 CPA717 HKG → BKK Jul 23, 02:20 UTCJul 23, 03:55 UTC1h 35m
2026-07-23 CPA717 HKG → BKK Jul 23, 01:20 UTCJul 23, 01:35 UTC15m
2026-07-22 CPA714 SIN → HKG Jul 22, 21:55 UTCJul 22, 22:10 UTC15m
2026-07-22 CPA714 SIN → HKG Jul 22, 18:35 UTCJul 22, 19:05 UTC30m
2026-07-22 CPA715 HKG → SIN Jul 22, 16:45 UTCJul 22, 16:55 UTC10m
2026-07-22 CPA715 HKG → SIN Jul 22, 13:40 UTCJul 22, 13:55 UTC15m
2026-07-22 CPA957 - Jul 22, 11:10 UTCJul 22, 11:45 UTC35m
2026-07-22 CPA983 CAN → HKG Jul 22, 03:10 UTCJul 22, 03:45 UTC35m
2026-07-22 CPA982 - Jul 22, 00:45 UTCJul 22, 01:05 UTC20m
2026-07-21 CPA459 KHH → HKG Jul 21, 11:40 UTCJul 21, 12:40 UTC1h 0m
2026-07-21 CPA458 HKG → KHH Jul 21, 09:15 UTCJul 21, 10:20 UTC1h 5m
2026-07-21 CPA423 KHH → HKG Jul 21, 06:20 UTCJul 21, 07:20 UTC1h 0m
2026-07-21 CPA424 HKG → KHH Jul 21, 03:50 UTCJul 21, 05:05 UTC1h 15m
2026-07-21 CPA407 TPE → HKG Jul 21, 00:45 UTCJul 21, 02:00 UTC1h 15m
2026-07-20 CPA408 HKG → TPE Jul 20, 15:20 UTCJul 20, 16:40 UTC1h 20m
2026-07-20 CPA380 HKG → HKG Jul 20, 07:50 UTCJul 20, 13:40 UTC5h 50m
2026-07-20 CPA937 WUH → HKG Jul 20, 05:35 UTCJul 20, 06:10 UTC35m
2026-07-20 CPA936 HKG → WUH Jul 20, 01:10 UTCJul 20, 01:30 UTC20m
2026-07-18 CPA776 - Jul 18, 11:50 UTCJul 18, 12:15 UTC25m
2026-07-18 CPA776 - Jul 18, 07:40 UTCJul 18, 09:05 UTC1h 25m
2026-07-18 CPA777 - Jul 18, 05:45 UTCJul 18, 06:00 UTC15m
2026-07-18 CPA777 - Jul 18, 01:45 UTCJul 18, 02:00 UTC15m
2026-07-17 CPA989 - Jul 17, 15:29 UTCJul 17, 15:55 UTC25m
2026-07-17 CPA988 HKG → CAN Jul 17, 12:45 UTCJul 17, 13:00 UTC15m
2026-07-17 CPA376 - Jul 17, 03:10 UTCJul 17, 08:59 UTC5h 50m
2026-07-16 CPA716 - Jul 16, 14:15 UTCJul 16, 14:29 UTC15m
2026-07-16 CPA716 - Jul 16, 10:59 UTCJul 16, 11:30 UTC30m
2026-07-16 CPA791 - Jul 16, 08:40 UTCJul 16, 09:25 UTC45m
2026-07-16 CPA791 - Jul 16, 05:55 UTCJul 16, 06:10 UTC15m
2026-07-16 CPA597 KIX → HKG Jul 16, 00:15 UTCJul 16, 03:25 UTC3h 10m
2026-07-15 CPA566 HKG → KIX Jul 15, 18:25 UTCJul 15, 21:50 UTC3h 25m
2026-07-15 CPA380 - Jul 15, 07:50 UTCJul 15, 13:30 UTC5h 40m
2026-07-15 CPA995 - Jul 15, 05:10 UTCJul 15, 05:55 UTC45m
2026-07-15 CPA914 - Jul 15, 00:50 UTCJul 15, 01:05 UTC15m
2026-07-14 CPA991 - Jul 14, 13:25 UTCJul 14, 14:30 UTC1h 5m
2026-07-14 CPA990 - Jul 14, 10:30 UTCJul 14, 10:50 UTC20m
2026-07-14 CPA770 - Jul 14, 08:30 UTCJul 14, 08:55 UTC25m
2026-07-14 CPA771 - Jul 14, 02:20 UTCJul 14, 06:30 UTC4h 10m
2026-07-14 CPA771 - Jul 14, 00:30 UTCJul 14, 00:40 UTC10m
2026-07-13 CPA393 - Jul 13, 13:30 UTCJul 13, 14:05 UTC35m
2026-07-13 CPA393 - Jul 13, 11:05 UTCJul 13, 11:25 UTC20m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the B-HWM page for operator, model, and routing details .

Mode-S 780A5A frequently asked

What is Mode-S code 780A5A?
780A5A is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-HWM.
Where is Mode-S 780A5A registered?
Mode-S code 780A5A is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780A5A broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780A5A, octal 36005132, decimal 7,866,970.
What flights does 780A5A operate?
Mode-S 780A5A has broadcast 20 distinct callsigns, including CPA531, CPA530, CPA407, CPA381, CPA380.